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144774145135 = 5409138151263
BaseRepresentation
bin1000011011010100110…
…1100010010001101111
3111211200120002120200101
42012311031202101233
54332444140121020
6150301444211531
713313431633534
oct2066515422157
9454616076611
10144774145135
115644225a034
1224084699ba7
13108629b3249
1470156dad8b
153b74e1300a
hex21b536246f

144774145135 has 16 divisors (see below), whose sum is σ = 174283246080. Its totient is φ = 115450225920.

The previous prime is 144774145063. The next prime is 144774145199. The reversal of 144774145135 is 531541477441.

144774145135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144774145135 - 213 = 144774136943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798514 + ... + 2849776.

It is an arithmetic number, because the mean of its divisors is an integer number (10892702880).

Almost surely, 2144774145135 is an apocalyptic number.

144774145135 is a deficient number, since it is larger than the sum of its proper divisors (29509100945).

144774145135 is a wasteful number, since it uses less digits than its factorization.

144774145135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53058.

The product of its digits is 940800, while the sum is 46.

The spelling of 144774145135 in words is "one hundred forty-four billion, seven hundred seventy-four million, one hundred forty-five thousand, one hundred thirty-five".

Divisors: 1 5 409 1381 2045 6905 51263 256315 564829 2824145 20966567 70794203 104832835 353971015 28954829027 144774145135